P-Block Elements Ques 48
Question: In laboratory silicon can be prepared by the reaction
[Pb. PMT 1999; AFMC 2002]
Options:
A) Silica with magnesium
B) By heating carbon in electric furnace
C) By heating potassium fluosilicate with potassium
D) None of these
Show Answer
Answer:
Correct Answer: A
Solution:
$ SiO_2+2Mg\to Si+2MgO $ .